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  1. Apache MADlib
  2. MADLIB-1509

Memory Shortage when serializing the model

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Cannot Reproduce
    • None
    • v1.21.0
    • Deep Learning
    • None

    Description

      When I train a model whose size is about 400MB, the execution time for serialize_nd_weights can be very slow. Specifically, the first-time execution of serialize_nd_weights lasts about 2 seconds, which is reasonable. However, afterward, its execution time becomes about 190 seconds.

      I think the memory shortage causes the long execution time for serialize_nd_weights, since the time can be reduced with a more memory-efficient implementation for serializing (from 190 seconds to 70 seconds).
      However, the instance I run Madlib has 290G memory available. I think that Madlib might set the wrong memory limit for its task. Is there any way to configure the memory limit for Madlib tasks?

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            Unassigned Unassigned
            Blairruc-pku Xinyi Zhang
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              Updated:
              Resolved: